2563145534 has 8 divisors (see below), whose sum is σ = 3968741568. Its totient is φ = 1240231680.

The previous prime is 2563145521. The next prime is 2563145567. The reversal of 2563145534 is 4355413652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20670467 + ... + 20670590.

It is an arithmetic number, because the mean of its divisors is an integer number (496092696).

Almost surely, 2^2563145534 is an apocalyptic number.

2563145534 is a deficient number, since it is larger than the sum of its proper divisors (1405596034).

2563145534 is a wasteful number, since it uses less digits than its factorization.

2563145534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41341090.

The product of its digits is 216000, while the sum is 38.

The square root of 2563145534 is about 50627.5175571546. The cubic root of 2563145534 is about 1368.5408183795.

The spelling of 2563145534 in words is "two billion, five hundred sixty-three million, one hundred forty-five thousand, five hundred thirty-four".